A client who had a knee replacement surgery receives a prescription for enoxaparin 30 mg subcutaneously every 12 hours for 10 days. The medication is available in 30 mg per 0.3 mL prefilled syringes. How many mL should the practical nurse (PN) administer each day? (Enter numerical value only.)
The Correct Answer is ["0.6"]
- Medication dose: 30 mg enoxaparin
- Medication concentration: 30 mg per 0.3 mL (prefilled syringe)
- Frequency: Every 12 hours
- Duration: 10 days
Calculation:
- Injections per day: Since the medication is given every 12 hours, the client will receive injections 2 times per day (24 hours / 12 hours/injection).
- Total medication per day: To find the total amount of enoxaparin needed per day, multiply the single injection dose by the number of injections:
Total enoxaparin/day = Dose per injection x Number of injections/day = 30 mg/injection x 2 injections/day = 60 mg/day
- Volume of medication per day: Now, we need to find the volume of solution needed to deliver the total daily dose (60 mg) based on the medication concentration (30 mg/0.3 mL). We can achieve this with a proportion:
Volume (mL) / Total dose (mg) = Concentration (mg/mL)
Volume (mL) = (Total dose (mg) x Concentration (mL/mg)) / Concentration (mg/mL)
Plugging in the values:
Volume (mL) = (60 mg x 0.3 mL/mg) / 30 mg/mL
Volume (mL) = 18 mL / 30 mL/mL
Simplifying:
Volume (mL) = 0.6 mL
Therefore, the practical nurse (PN) should administer 0.6 mL of enoxaparin each day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Understanding what the voices are saying is the most important initial step in assessing auditory hallucinations. This information helps the PN gauge the content of the hallucinations, which is crucial for developing a treatment plan and determining the level of risk to the client or others.
B. While knowing when the voices are most disturbing provides useful information for managing symptoms, it is less critical than understanding the content of the hallucinations for developing an initial treatment plan.
C. Assessing how the client copes with the voices is important for ongoing management but comes after understanding what the voices are saying. Coping strategies can be developed based on the nature of the hallucinations.
D. Determining which medication works best is not an immediate priority during the initial assessment. Medication effectiveness will be evaluated over time rather than being a primary focus during the first report of hallucinations.
Correct Answer is C
Explanation
A. Stating that the healthcare provider left specific instructions may come across as confrontational and does not address the client's emotional state. The focus should be on empathetic communication rather than emphasizing authority.
B. While acknowledging the client’s feelings is important, this response may not de-escalate the situation. It focuses on the necessity of ambulation rather than addressing the client's anger and offering support.
C. Offering to return in 30 minutes provides the client with a sense of control and acknowledges their feelings. It is a supportive and respectful approach that allows time for the client to calm down and prepares them for ambulation.
D. Explaining that ambulation is necessary to avoid complications can sound directive and may not help in managing the client's anger. It is more effective to acknowledge the client's feelings and offer to help at a later time.
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